– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Sat 18 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Sat 18 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sat 18 Apr Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Warm (max 20°C on Sun afternoon, min 8°C on Sat morning). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 3mm), mostly falling on Wed afternoon. Very mild (max 17°C on Tue afternoon, min 8°C on Wed night). Wind will be generally light. | |||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | |  | |  |  |  |  |  | |  |  | |
some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | risk tstorm | some clouds | cloudy | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | 0.1 | — | — | 0.6 | 0.1 | 2 | 0.1 | 0.1 | — | — | |
max °C | 12 | 15 | 12 | 17 | 20 | 16 | 18 | 20 | 17 | 16 | 17 | 13 | 9 | 10 | 9 | 10 | 14 | 11 |
min °C | 8 | 14 | 11 | 13 | 19 | 13 | 16 | 20 | 13 | 14 | 16 | 9 | 9 | 9 | 8 | 8 | 13 | 8 |
8 | 14 | 11 | 13 | 19 | 13 | 16 | 20 | 13 | 14 | 16 | 9 | 9 | 8 | 8 | 7 | 13 | 8 | |
2200 | 2500 | 2800 | 2850 | 2950 | 2950 | 3050 | 3150 | 3000 | 3150 | 3050 | 2800 | 2250 | 2050 | 1950 | 1900 | 2550 | 2650 | |
Cloud base (m) | 3000 | 3050 | 3450 | 3400 | 3000 | 5550 | 4550 | 4300 | 3250 | 1950 | 600 | 550 | 700 | 700 | 1650 | |||
 | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — |
 | — | — | 8:02 | — | — | 8:04 | — | — | 8:06 | — | — | 8:07 | — | — | 8:08 | — | — | 8:09 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Warm (max 20°C on Sun afternoon, min 8°C on Sat morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Wed afternoon. Very mild (max 17°C on Tue afternoon, min 8°C on Wed night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.